A Bronx charter placed on probation in March is about to become the city’s first such school to be shut down in its first year, officials said yesterday.

The problems at Kingsbridge Innovative Design include “a series of unfortunate operational and financial decisions that have risked the health and viability of the school’s charter,” according to a letter from the state Education Department to Executive Director Julio Cotto.

Money trouble is so out of control at the school, which has 143 kids in kindergarten and first grade, that half the staff has already been fired.

Questions have also been raised about its academic programming, school governance and long-term prospects.

Yet Cotto, who vowed to challenge the decision at a Board of Regents hearing May 16, said, “Every issue that they’ve been talking about, we’ve been addressing, proactively, for months.”